C1905 Ride Control Left Rear Shock Actuator Circuit Failure

• OBD2 Code: C1905
• Description: Ride control left rear shock actuator circuit failure.
• Definition: This code indicates a malfunction in the electrical circuit of the left rear shock actuator, which is part of the vehicle’s ride control system. The issue could be due to wiring problems, connector issues, or a faulty actuator itself.

c1905 – Ride Control Left Rear Shock Actuator Circuit Failure

Typical severity: Critical

Common Causes

c1905 – Ride Control Left Rear Shock Actuator Circuit Failure

Common Causes:

• Faulty left rear shock actuator
• Short circuit or open circuit in the wiring harness connected to the left rear shock actuator
• Corrosion or poor connection at the electrical connectors related to the left rear shock actuator
• Defective control module that manages the ride control system

 

Common Misdiagnosis

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OBD2 Code: C1905

Description: Ride Control Left Rear Shock Actuator Circuit Failure

Common Misdiagnosis: Replacing the shock absorber without checking the actuator wiring or connections.

 

Common Diagnostic Steps

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OBD2 Code: C1905

Description: Ride Control Left Rear Shock Actuator Circuit Failure

• Check for any blown fuses related to the ride control system.
• Inspect the wiring and connectors for damage, corrosion, or disconnection at the left rear shock actuator.
• Test the left rear shock actuator for proper operation using a multimeter or scan tool.
• Verify that there is power and ground at the actuator connector.
• Examine the suspension control module for any signs of failure or malfunction.
• If applicable, check for any software updates or recalls related to the ride control system.
• Clear the code and test drive to see if it returns after repairs are made.